13 - Updating Electrical Systems: Code Compliance and Modernization

Send us Fan MailElectrical codes and standards evolve over time. Understanding when updates are required helps home inspectors make appropriate professional judgments about reporting older installations.Two General RulesRule 1: Existing Work Existing work does NOT need updating if:It complied with rules in effect when installedSystem/component is functioning safelyNot modified or extendedRule 2: New Work New work and existing work that is modified or extended SHOULD comply with:Rules in effect when the work is doneCurrent codes and standardsChallenges for Home InspectorsPermit Determination Difficult:Home inspectors may not determine if permit was requiredMay not determine if permit was issuedMay not determine if inspections were performed/approvedProfessional Judgment Required:When to report existing work not meeting current requirementsHow to report appropriatelyWhen to recommend permit/inspection verificationReporting ApproachesApproach 1: Report Only New/Modified/Extended WorkDo NOT report existing work not meeting current requirements (if functioning safely)Report as defect: New/modified/extended work not meeting current requirementsRecommend inquiry about permits/inspectionsApproach 2: Report Safety ConcernsReport existing work not meeting current requirements IF safety concern existsExample: No GFCI protection in bathroom (safety issue even in old house)Professional judgment requiredApproach 3: Report Non-Compliance (Conservative)Report existing work not meeting current requirementsAdvise client of difference between code compliance and safetyLet client decide whether to addressMost Common Approach: Combination of Approaches 1 and 2Report new/modified/extended work defectsReport existing work with clear safety concernsUse professional judgmentKey Indicators of Recent WorkVisual Clues:New-looking materials/componentsDifferent wiring methods in same areaPatched walls/ceilings near electrical workRecent permits postedNew panel/devices with older panel/devicesWork quality differs from surroundingsWhen Recent Work Suspected:Apply current code requirementsRecommend verification of permits/inspectionsReport defects as not meeting current standardsLanguage for ReportsExisting Work (Safety Concern): "While this installation may have met standards when installed, it does not meet current safety requirements. Recommend evaluation and upgrade by qualified electrician for improved safety."New/Modified Work: "This work appears recent and does not meet current code requirements. Recommend verification of permit approval and correction of deficiencies by qualified electrician."Professional Limitation: "Unable to determine if permits were obtained. Recommend client verify permit history with local building department."Key TakeawaysExisting work may remain if safe and met standards when installedNew/modified/extended work should meet current standardsHome inspectors must use professional judgmentCode adoption and enforcement vary by jurisdictionReport clear safety concerns regardless of ageRecommend permit verification for suspected recent workIntro This episode is brought to you by GetSync.pro This episode is hosted by Charlie Bellefontaine of Chicagoland Home InspectorsFor complete training with visual materials, practice exams, and certification support, visit nhiexamprep.com© 2025 National Home Inspector Exam Prep Podcast. All rights reserved.